Portion of digital gauge



FIG. 1 is a front view of a portion of digital gauge showing our new design according to a first embodiment; and,

FIG. 2 is a front view of the portion of digital gauge showing our new design according to a second embodiment, the second embodiment being identical to the first embodiment except that the second embodiment has one indeterminate length as indicated in FIG. 2.

The broken lines in FIGS. 1 and 2 form no part of the claimed design. 

CLAIM The ornamental design for a portion of digital gauge, as shown and described. 